2015 IEEE Sensors Applications Symposium (SAS)最新文献

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Theoretical modeling of an electrostatic Gas-Path debris detection system with experimental validation 静电气路碎片检测系统的理论建模及实验验证
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133599
T. Addabbo, A. Fort, M. Mugnaini, S. Rocchi, V. Vignoli, R. Garbin
{"title":"Theoretical modeling of an electrostatic Gas-Path debris detection system with experimental validation","authors":"T. Addabbo, A. Fort, M. Mugnaini, S. Rocchi, V. Vignoli, R. Garbin","doi":"10.1109/SAS.2015.7133599","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133599","url":null,"abstract":"We discuss the general theoretical characterization of a Gas-Path debris detection monitoring system based on electrostatic sensors and charge amplifiers. We provide the analytical expression of the time-varying charge induced by the moving debris on the sensor surface, discussing the effects of the amplifier bandwidth on the shape of the output voltage signal. Theoretical results have been validated with experiments.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123316099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Pulse wave intensity and ECG: A multisensor approach for the risk assessment in systolic heart failure 脉搏波强度和心电图:一种多传感器方法评估收缩期心力衰竭的风险
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133564
B. Hametner, C. Mayer, M. Bachler, T. Weber, S. Parragh, S. Wassertheurer
{"title":"Pulse wave intensity and ECG: A multisensor approach for the risk assessment in systolic heart failure","authors":"B. Hametner, C. Mayer, M. Bachler, T. Weber, S. Parragh, S. Wassertheurer","doi":"10.1109/SAS.2015.7133564","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133564","url":null,"abstract":"Blood pressure measurements are associated with paradoxical effects in patients with systolic heart failure. Parameters, which have been associated with increased risk, lie within a normal range in patients with impaired systolic function. This implies that the noninvasive detection of reduced ejection fraction from blood pressure alone is difficult and additional biosignals are needed. A typical approach is the usage of arterial Doppler flow velocity measurements, which also facilitates more advanced techniques such as wave intensity analysis. In this method, distinct peaks in forward and backward traveling waves can be detected and quantified. However, aiming for simple noninvasive measurement techniques, blood flow models solely based on information from the pressure curve have been developed to replace ultrasound measurements. These models could be extended and controlled with features from the electrocardiogram (ECG), which have been related to impaired systolic function. This work presents wave intensity parameters as well as ECG intervals from a patient with normal (nEF) and a patient with severely reduced ejection fraction (rEF). The wave peak corresponding to the first forward compression wave is markedly reduced in the rEF patient. Moreover, ECG intervals are prolonged, especially when corrected for heart rate. These exemplary results strengthen the idea that it might be feasible to use a multisensor approach based on arterial pressure readings and electrocardiogram features to detect impaired systolic function and thus enhance cardiovascular risk stratification.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123024815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Position-dependent distribution of lung ventilation — A feasability study 肺通气位置相关分布的可行性研究
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133643
A. Waldmann, C. F. Ortola, M. Martinez, Anxela Vidal, Arnoldo Santos, Manuel Perez Marquez, Peter L. Roka, S. Böhm, F. Sipmann
{"title":"Position-dependent distribution of lung ventilation — A feasability study","authors":"A. Waldmann, C. F. Ortola, M. Martinez, Anxela Vidal, Arnoldo Santos, Manuel Perez Marquez, Peter L. Roka, S. Böhm, F. Sipmann","doi":"10.1109/SAS.2015.7133643","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133643","url":null,"abstract":"The aim of this feasibility study was to determine whether the measurement setup and study protocol were able to show the effect that lung disease, body position and different levels of positive end expiratory pressure (PEEP) have on lung function. By means of a motorized rotation table and gravity sensors six pigs were rotated in steps of 30° from left to right lateral position. Regional ventilation distributions, measured by electrical impedance tomography (EIT), oxygenation and compliance measurements were performed at each position. Both, experimental and measurement setup as well as the parameters chosen to characterize lung function appear suitable for analyzing the effects of PEEP and rotation in healthy and injured lungs. The initial results show that the distribution of regional ventilation was highly gravity-dependent especially in sick lungs. Furthermore lateral rotation showed significant recruitment effects on previously collapsed lung tissue as witnessed by the increases in oxygenation at all PEEPs.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124504430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Building distributed sensor network applications using BIP 使用BIP构建分布式传感器网络应用
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133617
A. Lekidis, P. Bourgos, S. Djoko, M. Bozga, S. Bensalem
{"title":"Building distributed sensor network applications using BIP","authors":"A. Lekidis, P. Bourgos, S. Djoko, M. Bozga, S. Bensalem","doi":"10.1109/SAS.2015.7133617","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133617","url":null,"abstract":"The exponential increase in the demands for the deployment of large-scale sensor networks, makes the efficient development of functional applications necessary. Nevertheless, the existence of scarce resources and the derived application complexity, impose significant constraints and requires high design expertise. Consequently, the probability of discovering design errors, once the application is implemented, is considerably high. To address these issues, there is a need for the availability of early-stage validation, performance evaluation and rapid prototyping techniques at design time. In this paper we present a novel approach for the co-design of mixed software/hardware applications for distributed sensor network systems. This approach uses BIP, a formal framework facilitating modeling, analysis and implementation of real-time embedded, heterogeneous systems. Our approach is illustrated through the modeling and deployment of a Wireless Multimedia Sensor Network (WMSN) application. We emphasize on its merits, notably validation of functional and non-functional requirements through statistical model-checking and automatic code generation for sensor network platforms.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132366823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Estimation of disturbance heat flux in buildings 建筑物扰动热流密度的估算
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133615
Antonio Starcic, Anita Martincevic, M. Vašak
{"title":"Estimation of disturbance heat flux in buildings","authors":"Antonio Starcic, Anita Martincevic, M. Vašak","doi":"10.1109/SAS.2015.7133615","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133615","url":null,"abstract":"This paper investigates estimation of disturbance heat flux in a zone using autoregressive integrated moving average model with exogenous inputs (ARIMAX). The model is derived from simple continuous zone model. Data used for estimation is obtained from building simulation in IDA ICE. The procedure exhibits fast detection of the disturbance heat flux which opens several possible applications in energy-efficient buildings control, like possibility of instantaneous on-off reaction on the zone actuators or better building climate prediction for predictive control.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124531071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Information fusion in weigh in motion systems 称重运动系统中的信息融合
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133637
R. Sroka, J. Gajda, P. Burnos, P. Piwowar
{"title":"Information fusion in weigh in motion systems","authors":"R. Sroka, J. Gajda, P. Burnos, P. Piwowar","doi":"10.1109/SAS.2015.7133637","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133637","url":null,"abstract":"Dynamic scales allow vehicles to be weighed in motion and are therefore termed Weigh In Motion (WIM) scales. The objective of measurement is the quantitative determination of the vehicle's individual static axle loads and its gross weight. This work provides a description of fusion process in WIM systems with different degrees of complexity: from the simplest, equipped with only two load sensors, to the most complex ones, comprising a plurality of sensors of various physical quantities. The paper presents an analysis of elements of cooperative and complementary fusion and fusion performed at the data, properties and decisions levels. It also deals with issues relating to the selection of sensors and their number in WIM systems, selection of sensors for Multi-Sensor WIM systems and effects of external factors on weighing results.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114748893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Comparison of different classifiers in movement recognition using WSN-based wrist-mounted sensors 基于wsn的腕式传感器运动识别中不同分类器的比较
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133646
Peter Sarcevic, Zoltán Kincses, Szilveszter Pletl
{"title":"Comparison of different classifiers in movement recognition using WSN-based wrist-mounted sensors","authors":"Peter Sarcevic, Zoltán Kincses, Szilveszter Pletl","doi":"10.1109/SAS.2015.7133646","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133646","url":null,"abstract":"The analysis of human movement is a widely studied field of health applications, such as telerehabilitation, analysis of daily activities, and emergency detection. In this paper, the comparison of different classifiers is presented for a new movement recognition system, which can be used for the detection of emergency situations. The system uses 9-degree-of-freedom (9DOF) sensor boards that are attached to wrist-mounted Wireless Sensor Network (WSN) motes. The 9DOF sensor boards are built up from a tri-axial accelerometer, a tri-axial gyroscope, and a tri-axial magnetometer. Measurement data for classification were collected from multiple subjects. Eleven movement classes were constructed in order to recognize specific arm movements in stationary positions and also during the movement of the body. Various time-domain features (TDF) were calculated in different processing window widths. Depending on the used window size, sensors and TDFs, 48 different data sets were constructed, which were used for training and for validating of the system. Different classifiers were tested and compared using the original and the dimensionally reduced data sets. The dimension reduction is performed using the Linear Discriminant Analysis (LDA) method. The tested classifiers were the minimum distance classifier, the MultiLayer Perceptron (MLP) network, the naive Bayes classifier and the Support Vector Machine (SVM).","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125092903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Low-power lessons from designing a wearable logger for long-term deployments 设计长期部署的可穿戴记录仪的低功耗经验
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133581
Eugen Berlin, Martin Zittel, Michael Braunlein, Kristof Van Laerhoven
{"title":"Low-power lessons from designing a wearable logger for long-term deployments","authors":"Eugen Berlin, Martin Zittel, Michael Braunlein, Kristof Van Laerhoven","doi":"10.1109/SAS.2015.7133581","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133581","url":null,"abstract":"The advent of a range of wearable products for monitoring one's healthcare and fitness has pushed decades of research into the market over the past years. These units record motion and detect common physical activities to assist the wearer in monitoring fitness, general state of health, and sleeping trends. Most of the detection algorithms on board of these devices however are closed-source and the devices do not allow the recording of raw inertial data. This paper presents a project that, faced by these limitations of commercial wearable products, set out to create an open-source recording platform for activity recognition research that (1) is sufficiently power-efficient, and (2) remains small and comfortable enough to wear, to be able to record raw inertial data for extended periods of time. We study especially, via high-resolution power profiling, several trade-offs present in the choice for the basic hardware components of our prototype, and contribute with three key design areas that have had a significant impact on our prototype design.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121289439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
A novel inclinometer exploiting magnetic fluids and an IR readout strategy 一种利用磁流体的新型测斜仪和红外读出策略
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133571
B. Andò, S. Baglio, A. Pistorio
{"title":"A novel inclinometer exploiting magnetic fluids and an IR readout strategy","authors":"B. Andò, S. Baglio, A. Pistorio","doi":"10.1109/SAS.2015.7133571","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133571","url":null,"abstract":"This paper deals with the prototyping and a preliminary characterization of a novel inclinometer exploiting magnetic fluids and an optical readout strategy. The proposed inclinometer consists of a 5 mm diameter glass pipe containing a ferrofluid drop, a permanent magnet to generate a retaining force on the ferrofluidic drop and an infrared (IR) readout strategy to detect the ferrofluid position inside the pipe. The latter is correlated to the glass pipe tilt. The main advantages of the sensor proposed, with respect to previous devices already available in the literature, consist in the use of a permanent magnet to control the ferrofluid mass position and the adopted IR readout strategy, which produce a meaningful reduction of the power consumption, as respect to systems using an inductive readout strategy and the active control of the inertial mass. Features obtained by the experimental characterization of the prototype developed encourages the use of the sensing methodology proposed and the development of devices exploiting the sensing approach above mentioned.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127079563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Semi-analytical modeling of an eddy current imaging system for the characterization of defects in metallic structures 用于表征金属结构缺陷的涡流成像系统的半解析建模
2015 IEEE Sensors Applications Symposium (SAS) Pub Date : 2015-04-13 DOI: 10.1109/SAS.2015.7133630
T. Bore, D. Placko, P. Joubert
{"title":"Semi-analytical modeling of an eddy current imaging system for the characterization of defects in metallic structures","authors":"T. Bore, D. Placko, P. Joubert","doi":"10.1109/SAS.2015.7133630","DOIUrl":"https://doi.org/10.1109/SAS.2015.7133630","url":null,"abstract":"In this paper, the authors report on the implementation of a simplified and computationally efficient electromagnetic modeling of the interactions that take place between an eddy current imaging device and a metallic assembly, in the context of the non destructive evaluation of defects in metallic parts. The model is implemented in the case of the evaluation of a millimetric defect buried in a three plate aluminum assembly, for eddy current frequencies ranging from 300Hz to 3kHz. The model is validated against experimental data in terms of two-dimensional distributions of the computed magnetic field, as well as in terms of modulus and phase of the magnetic extrema observed in the images, in the whole frequency range. The obtained result provides promising prospects for the use of such model for the automatic characterization of defects in the context of the eddy current imaging of metallic parts.","PeriodicalId":384041,"journal":{"name":"2015 IEEE Sensors Applications Symposium (SAS)","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129452951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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